3255115440 has 80 divisors (see below), whose sum is σ = 10438840800. Its totient is φ = 838096896.

The previous prime is 3255115429. The next prime is 3255115499. The reversal of 3255115440 is 445115523.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3255115398 and 3255115407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226885 + ... + 240804.

It is an arithmetic number, because the mean of its divisors is an integer number (130485510).

Almost surely, 2^3255115440 is an apocalyptic number.

3255115440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3255115440 is an abundant number, since it is smaller than the sum of its proper divisors (7183725360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3255115440 is a wasteful number, since it uses less digits than its factorization.

3255115440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467734 (or 467728 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 3255115440 is about 57053.6189912612. The cubic root of 3255115440 is about 1482.0247791719.

The spelling of 3255115440 in words is "three billion, two hundred fifty-five million, one hundred fifteen thousand, four hundred forty".